1
JEE Main 2022 (Online) 25th July Evening Shift
+4
-1

The correct order of energy of absorption for the following metal complexes is

A : [Ni(en)3]2+ , B : [Ni(NH3)6]2+ , C : [Ni(H2O)6]2+

A
C < B < A
B
B < C < A
C
C < A < B
D
A < C < B
2
JEE Main 2022 (Online) 30th June Morning Shift
+4
-1

Correct formula of the compound which gives a white precipitate with BaCl2 solution, but not with AgNO3 solution, is

A
[Co(NH3)5Br]SO4
B
[Co(NH3)5SO4]Br
C
[Pt(NH3)4Cl2]Br2
D
[Pt(NH3)4Br2]Cl2
3
JEE Main 2022 (Online) 29th June Evening Shift
+4
-1

Given below are two statements.

$$\bullet$$ Statement I : In CuSO4 . 5H2O, Cu-O bonds are present.

$$\bullet$$ Statement II : In CuSO4 . 5H2O, ligands coordinating with Cu(II) ion are O-and S-based ligands.

In the light of the above statements, choose the correct answer from the options given below.

A
Both Statement I and Statement II are correct.
B
Both Statement I and Statement II are incorrect.
C
Statement I is correct but Statement II is incorrect.
D
Statement I is incorrect but Statement II is correct.
4
JEE Main 2022 (Online) 28th June Morning Shift
+4
-1

Given below are two statements :

Statement I : [Ni(CN)4]2$$-$$ is square planar and diamagnetic complex, with dsp2 hybridization for Ni but [Ni(CO)4] is tetrahedral, paramagnetic and with sp3-hybridication for Ni.

Statement II : [NiCl4]2$$-$$ and [Ni(CO)4] both have same d-electron configuration have same geometry and are paramagnetic.

In light the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are true.
B
Both Statement I and Statement II are false.
C
Statement I is correct but Statement II is false.
D
Statement I is false but Statement II is correct.
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